SUSE-SU-2026:1728-1 Security update for the Linux Kernel (Live Patch 16 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise kernel 6.4.0-150600.23.73 fixes various security issues The following security issues were fixed: - CVE-2025-39977: futex: Prevent use-after-free during requeue-PI bsc1252048. - CVE-2025-71066: net/sched: ets: Always remove class from active list before...

JWE is missing AES-GCM authentication tag validation in encrypted JWE

Overview The authentication tag of encrypted JWEs can be brute forced, which may result in loss of confidentiality for those JWEs and provide ways to craft arbitrary JWEs. Impact - JWEs can be modified to decrypt to an arbitrary value - JWEs can be decrypted by observing parsing differences - The...